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Wavefront Shaping Concepts for Application in Optical Coherence Tomography-A Review.
Jonas Kanngiesser1,2, Bernhard Roth1,2
1Hannoversches Zentrum für Optische Technologien, Leibniz Universität Hannover, Nienburger Straße 17, D-30167 Hannover, Germany.
Sensors (Basel, Switzerland)
|December 15, 2020
Summary
Optical coherence tomography (OCT) uses light scattering for 3D imaging. Wavefront shaping enhances OCT in scattering media, improving signal and imaging depth for applications like medical diagnostics.
Area of Science:
- Biomedical Optics
- Optical Imaging
- Wavefront Engineering
Background:
- Optical coherence tomography (OCT) provides micrometer-scale 3D imaging using light scattering.
- Current OCT limitations include reduced penetration depth and resolution in highly scattering biological tissues.
- Wavefront shaping offers a promising approach to overcome these OCT limitations.
Purpose of the Study:
- To review concepts and recent advancements in combining OCT with wavefront shaping.
- To highlight methods for signal enhancement and improved imaging in scattering media.
Main Methods:
- Review of existing literature on OCT and wavefront shaping integration.
- Discussion of techniques for manipulating incident light fields to control scattered light.
- Focus on strategies for enhancing OCT signal and imaging performance.
Main Results:
- Wavefront shaping significantly improves OCT penetration depth and resolution in scattering samples.
- Controlled light fields enable better signal detection and image quality.
- Demonstrated applications in non-destructive testing, metrology, and medical diagnostics.
Conclusions:
- Combining OCT with wavefront shaping is a powerful strategy for advanced imaging in biological tissues.
- This integrated approach overcomes key limitations of conventional OCT.
- Future research directions focus on further signal enhancement and broader applications.
Keywords:
adaptive opticsin-vivo imagingnon-invasive diagnosticsoptical coherence tomographyscattering mediasignal enhancementwavefront shapingMore Related Videos
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